From: Stefan Kangas <stefan@marxist.se>
To: Eli Zaretskii <eliz@gnu.org>
Cc: devi8@null.net, 23174-done@debbugs.gnu.org
Subject: bug#23174: Windows : Emacs frame stays on top after Alt-Tab
Date: Sun, 29 Sep 2019 07:36:53 +0200 [thread overview]
Message-ID: <CADwFkm=F6ezvX6JrPD41Q=ujcFRaqM1g3prFUH+VhnQU+2aLhw@mail.gmail.com> (raw)
In-Reply-To: <56FCEB26.9070607@null.net>
Eli Zaretskii <eliz@gnu.org> writes:
>> From: devi8@null.net
>> Date: Thu, 31 Mar 2016 11:17:26 +0200
>>
>> GNU Emacs 24.5.1 (i686-pc-mingw32) of 2015-04-11 on LEG570
>>
>> On Windows (7 Professional), after (?) switching from a Aero Desktop Theme back to a non-Aero Desktop Theme,
>> pressing Alt-Tab will switch application windows, but the Emacs Window ("Frame"?) will stay on the foreground, which is wrong behaviour.
>> Only after exiting and restarting Emacs is the correct behaviour restored again, and Alt-Tab works as expected.
>>
>> I saw some discussions on the use of SetForegroundWindow and some bug reports that might relate to this.
>> https://debbugs.gnu.org/cgi/bugreport.cgi?bug=6468
>> https://debbugs.gnu.org/cgi/bugreport.cgi?bug=11513
>> https://debbugs.gnu.org/cgi/bugreport.cgi?bug=13954
>> https://debbugs.gnu.org/cgi/bugreport.cgi?bug=11513
>>
>> In general I despise applications that use SetForegroundWindow, because almost all of them fail to do what the user wants, because of lack of knowledge of other active applications and the user's intentions.
>> This bug report is also an example of such behaviour.
>>
>> Why not totally remove the use of SetForegroundWindow (except maybe for sys_kill and some places that try to fix "bugs"), or at least make it customizable so that I can disable it?
>
> You may be right, but please explain how are the calls to
> SetForegroundWindow related to the problem you describe. IOW, please
> tell the details of how Alt-TAB winds up calling that API, or how the
> call to that API interferes with Alt-TAB.
>
> Emacs calls SetForegroundWindow in only 2 specific situations: when it
> was requested to direct a focus to a frame, and when it was requested
> to raise a frame. I don't necessarily see how is that related to the
> issue at hand.
>
> I also couldn't reproduce the problem, on Windows 8.1 and Emacs 24.5.
> Maybe I don't quite understand what you did, so please describe the
> recipe for reproducing the problem step by step, preferably starting
> with "emacs -Q".
More information was requested, but was not given within three years.
I'm therefore closing this bug report. If anyone can reproduce this
issue, please reopen.
Best regards,
Stefan Kangas
prev parent reply other threads:[~2019-09-29 5:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-31 9:17 bug#23174: Windows : Emacs frame stays on top after Alt-Tab devi8
2016-04-01 7:02 ` Eli Zaretskii
2019-09-29 5:36 ` Stefan Kangas [this message]
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